<?php

/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage Gbase
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Entry.php 23775 2011-03-01 17:25:24Z ralph $
 */

/**
 * @see Zend_Gdata_Entry
 */
require_once 'Zend/Gdata/Entry.php';

/**
 * @see Zend_Gdata_Gbase_Extension_BaseAttribute
 */
require_once 'Zend/Gdata/Gbase/Extension/BaseAttribute.php';

/**
 * Base class for working with Google Base entries.
 *
 * @link http://code.google.com/apis/base/
 *
 * @category   Zend
 * @package    Zend_Gdata
 * @subpackage Gbase
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Gdata_Gbase_Entry extends Zend_Gdata_Entry {
	
	/**
	 * Name of the base class for Google Base entries
	 *
	 * var @string
	 */
	protected $_entryClassName = 'Zend_Gdata_Gbase_Entry';
	
	/**
	 * Google Base attribute elements in the 'g' namespace
	 *
	 * @var array
	 */
	protected $_baseAttributes = array ();
	
	/**
	 * Constructs a new Zend_Gdata_Gbase_ItemEntry object.
	 * @param DOMElement $element (optional) The DOMElement on which to base this object.
	 */
	public function __construct($element = null) {
		$this->registerAllNamespaces ( Zend_Gdata_Gbase::$namespaces );
		parent::__construct ( $element );
	}
	
	/**
	 * Retrieves a DOMElement which corresponds to this element and all
	 * child properties.  This is used to build an entry back into a DOM
	 * and eventually XML text for application storage/persistence.
	 *
	 * @param DOMDocument $doc The DOMDocument used to construct DOMElements
	 * @return DOMElement The DOMElement representing this element and all
	 * child properties.
	 */
	public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null) {
		$element = parent::getDOM ( $doc, $majorVersion, $minorVersion );
		foreach ( $this->_baseAttributes as $baseAttribute ) {
			$element->appendChild ( $baseAttribute->getDOM ( $element->ownerDocument ) );
		}
		return $element;
	}
	
	/**
	 * Creates individual Entry objects of the appropriate type and
	 * stores them as members of this entry based upon DOM data.
	 *
	 * @param DOMNode $child The DOMNode to process
	 */
	protected function takeChildFromDOM($child) {
		$absoluteNodeName = $child->namespaceURI . ':' . $child->localName;
		
		if (strstr ( $absoluteNodeName, $this->lookupNamespace ( 'g' ) . ':' )) {
			$baseAttribute = new Zend_Gdata_Gbase_Extension_BaseAttribute ();
			$baseAttribute->transferFromDOM ( $child );
			$this->_baseAttributes [] = $baseAttribute;
		} else {
			parent::takeChildFromDOM ( $child );
		}
	}
	
	/**
	 * Get the value of the itme_type
	 *
	 * @return Zend_Gdata_Gbase_Extension_ItemType The requested object.
	 */
	public function getItemType() {
		$itemType = $this->getGbaseAttribute ( 'item_type' );
		if (is_object ( $itemType [0] )) {
			return $itemType [0];
		} else {
			return null;
		}
	}
	
	/**
	 * Return all the Base attributes
	 * @return Zend_Gdata_Gbase_Extension_BaseAttribute
	 */
	public function getGbaseAttributes() {
		return $this->_baseAttributes;
	}
	
	/**
	 * Return an array of Base attributes that match the given attribute name
	 *
	 * @param string $name The name of the Base attribute to look for
	 * @return array $matches Array that contains the matching list of Base attributes
	 */
	public function getGbaseAttribute($name) {
		$matches = array ();
		for($i = 0; $i < count ( $this->_baseAttributes ); $i ++) {
			$baseAttribute = $this->_baseAttributes [$i];
			if ($baseAttribute->rootElement == $name && $baseAttribute->rootNamespaceURI == $this->lookupNamespace ( 'g' )) {
				$matches [] = &$this->_baseAttributes [$i];
			}
		}
		return $matches;
	}

}
